org.spearce.jgit.test/tst/org/spearce/jgit/lib/RepositoryTestCase.java

   1 /*
   2  * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
   3  * Copyright (C) 2007, Shawn O. Pearce <spearce@spearce.org>
   4  *
   5  * All rights reserved.
   6  *
   7  * Redistribution and use in source and binary forms, with or
   8  * without modification, are permitted provided that the following
   9  * conditions are met:
  10  *
  11  * - Redistributions of source code must retain the above copyright
  12  *   notice, this list of conditions and the following disclaimer.
  13  *
  14  * - Redistributions in binary form must reproduce the above
  15  *   copyright notice, this list of conditions and the following
  16  *   disclaimer in the documentation and/or other materials provided
  17  *   with the distribution.
  18  *
  19  * - Neither the name of the Git Development Community nor the
  20  *   names of its contributors may be used to endorse or promote
  21  *   products derived from this software without specific prior
  22  *   written permission.
  23  *
  24  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
  25  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
  26  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  27  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  28  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
  29  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  30  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  31  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  32  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
  33  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  34  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  36  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  37  */
  38
  39 package org.spearce.jgit.lib;
  40
  41 import java.io.File;
  42 import java.io.FileInputStream;
  43 import java.io.FileOutputStream;
  44 import java.io.IOException;
  45 import java.io.InputStreamReader;
  46 import java.io.OutputStreamWriter;
  47 import java.io.Reader;
  48
  49 import junit.framework.TestCase;
  50 import org.spearce.jgit.util.JGitTestUtil;
  51
  52 public abstract class RepositoryTestCase extends TestCase {
  53
  54         protected final File trashParent = new File("trash");
  55
  56         protected File trash;
  57
  58         protected File trash_git;
  59
  60         protected static final PersonIdent jauthor;
  61
  62         protected static final PersonIdent jcommitter;
  63
  64         static {
  65                 jauthor = new PersonIdent("J. Author", "jauthor@example.com");
  66                 jcommitter = new PersonIdent("J. Committer", "jcommitter@example.com");
  67         }
  68
  69         protected static void recursiveDelete(final File dir) {
  70                 final File[] ls = dir.listFiles();
  71                 if (ls != null) {
  72                         for (int k = 0; k < ls.length; k++) {
  73                                 final File e = ls[k];
  74                                 if (e.isDirectory()) {
  75                                         recursiveDelete(e);
  76                                 } else {
  77                                         e.delete();
  78                                 }
  79                         }
  80                 }
  81                 dir.delete();
  82                 if (dir.exists()) {
  83                         System.out.println("Warning: Failed to delete " + dir);
  84                 }
  85         }
  86
  87         protected static void copyFile(final File src, final File dst)
  88                         throws IOException {
  89                 final FileInputStream fis = new FileInputStream(src);
  90                 final FileOutputStream fos = new FileOutputStream(dst);
  91                 final byte[] buf = new byte[4096];
  92                 int r;
  93                 while ((r = fis.read(buf)) > 0) {
  94                         fos.write(buf, 0, r);
  95                 }
  96                 fis.close();
  97                 fos.close();
  98         }
  99
 100         protected File writeTrashFile(final String name, final String data)
 101                         throws IOException {
 102                 File tf = new File(trash, name);
 103                 File tfp = tf.getParentFile();
 104                 if (!tfp.exists() && !tf.getParentFile().mkdirs())
 105                         throw new Error("Could not create directory " + tf.getParentFile());
 106                 final OutputStreamWriter fw = new OutputStreamWriter(
 107                                 new FileOutputStream(tf), "UTF-8");
 108                 fw.write(data);
 109                 fw.close();
 110                 return tf;
 111         }
 112
 113         protected static void checkFile(File f, final String checkData)
 114                         throws IOException {
 115                 Reader r = new InputStreamReader(new FileInputStream(f), "ISO-8859-1");
 116                 char[] data = new char[(int) f.length()];
 117                 if (f.length() !=  r.read(data))
 118                         throw new IOException("Internal error reading file data from "+f);
 119                 assertEquals(checkData, new String(data));
 120         }
 121
 122         protected Repository db;
 123
 124         public void setUp() throws Exception {
 125                 super.setUp();
 126                 recursiveDelete(trashParent);
 127                 trash = new File(trashParent,"trash"+System.currentTimeMillis());
 128                 trash_git = new File(trash, ".git");
 129
 130                 Runtime.getRuntime().addShutdownHook(new Thread() {
 131                         @Override
 132                         public void run() {
 133                                 recursiveDelete(trashParent);
 134                         }
 135                 });
 136
 137                 db = new Repository(trash_git);
 138                 db.create();
 139
 140                 final String[] packs = {
 141                                 "pack-34be9032ac282b11fa9babdc2b2a93ca996c9c2f",
 142                                 "pack-df2982f284bbabb6bdb59ee3fcc6eb0983e20371",
 143                                 "pack-9fb5b411fe6dfa89cc2e6b89d2bd8e5de02b5745",
 144                                 "pack-546ff360fe3488adb20860ce3436a2d6373d2796",
 145                                 "pack-e6d07037cbcf13376308a0a995d1fa48f8f76aaa"
 146                 };
 147                 final File packDir = new File(db.getObjectsDirectory(), "pack");
 148                 for (int k = 0; k < packs.length; k++) {
 149                         copyFile(JGitTestUtil.getTestResourceFile(packs[k] + ".pack"), new File(packDir,
 150                                         packs[k] + ".pack"));
 151                         copyFile(JGitTestUtil.getTestResourceFile(packs[k] + ".idx"), new File(packDir,
 152                                         packs[k] + ".idx"));
 153                 }
 154
 155                 copyFile(JGitTestUtil.getTestResourceFile("packed-refs"), new File(trash_git,"packed-refs"));
 156
 157                 db.scanForPacks();
 158         }
 159
 160         protected void tearDown() throws Exception {
 161                 db.close();
 162                 super.tearDown();
 163         }
 164
 165         /**
 166          * Helper for creating extra empty repos
 167          *
 168          * @return a new empty git repository for testing purposes
 169          *
 170          * @throws IOException
 171          */
 172         protected Repository createNewEmptyRepo() throws IOException {
 173                 File newTestRepo = new File(trashParent, "new"+System.currentTimeMillis()+"/.git");
 174                 assertFalse(newTestRepo.exists());
 175                 File unusedDir = new File(trashParent, "tmp"+System.currentTimeMillis());
 176                 assertTrue(unusedDir.mkdirs());
 177                 final Repository newRepo = new Repository(newTestRepo);
 178                 newRepo.create();
 179                 return newRepo;
 180         }
 181
 182 }